Selective synthesis of some 5-hydrazono-5,6,7,8-tetrahydro-2H-1-benzopyran-2-ones

被引：8
|
作者：
Trebse, P
Recelj, B
Kocevar, M
Polanc, S
机构：
[1] Fac. of Chem./Chem. Technology, University of Ljubljana, 1000 Ljubljana
来源：
JOURNAL OF HETEROCYCLIC CHEMISTRY | 1997年 / 34卷 / 04期
关键词：
D O I：
10.1002/jhet.5570340425
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A simple, highly selective transformation of 5,6,7,8-tetrahydro-2H-1-benzopyran-2,5-diones 1-3 and 14 with some phenylhydrazines and heterocyclic hydrazines to 5-hydrazono-2H-1-benzopyran-2-ones 4-12 and 15-16 is described. Under more severe conditions the hydrazonoquinoline derivative 17 was obtained from the benzopyran derivative 3 and phenylhydrazine.
引用
收藏
页码：1247 / 1250
页数：4
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